Roald van Oosten Roald van Oosten Amsterdam Composer, performer, cat person Roald van Oosten’s tracks SLACHTHUIS HAIL HAIL THE GANGS by Roald van Oosten published on 2022-03-18T11:24:07Z SLACHTHUIS BILLY'S MANTRA by Roald van Oosten published on 2022-03-18T11:24:05Z SLACHTHUIS I WANNA GET OUT OF by Roald van Oosten published on 2022-03-18T11:24:02Z